本文整理汇总了C#中IChromosome.ToString方法的典型用法代码示例。如果您正苦于以下问题：C# IChromosome.ToString方法的具体用法？C# IChromosome.ToString怎么用？C# IChromosome.ToString使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类IChromosome的用法示例。
在下文中一共展示了IChromosome.ToString方法的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Evaluate
/// <summary>
/// Evaluates chromosome.
/// </summary>
///
/// <param name="chromosome">Chromosome to evaluate.</param>
///
/// <returns>Returns chromosome's fitness value.</returns>
///
/// <remarks>The method calculates fitness value of the specified
/// chromosome.</remarks>
///
public double Evaluate( IChromosome chromosome )
{
// get function in polish notation
string function = chromosome.ToString( );
// go through all the data
double error = 0.0;
for ( int i = 0, n = data.GetLength( 0 ); i < n; i++ )
{
// put next X value to variables list
variables[0] = data[i, 0];
// avoid evaluation errors
try
{
// evalue the function
double y = PolishExpression.Evaluate( function, variables );
// check for correct numeric value
if ( double.IsNaN( y ) )
return 0;
// get the difference between evaluated Y and real Y
// and sum error
error += Math.Abs( y - data[i, 1] );
}
catch
{
return 0;
}
}
// return optimization function value
return 100.0 / ( error + 1 );
}示例2: Translate
/// <summary>
/// Translates genotype to phenotype .
/// </summary>
///
/// <param name="chromosome">Chromosome, which genoteype should be
/// translated to phenotype.</param>
///
/// <returns>Returns chromosome's fenotype - the actual solution
/// encoded by the chromosome.</returns>
///
/// <remarks>The method returns string value, which represents approximation
/// expression written in polish postfix notation.</remarks>
///
public string Translate( IChromosome chromosome )
{
// return polish notation for now ...
return chromosome.ToString( );
}示例3: Evaluate
/// <summary>
/// Evaluates chromosome.
/// </summary>
///
/// <param name="chromosome">Chromosome to evaluate.</param>
///
/// <returns>Returns chromosome's fitness value.</returns>
///
/// <remarks>The method calculates fitness value of the specified
/// chromosome.</remarks>
///
public double Evaluate( IChromosome chromosome )
{
double PROBABLY_ZERO = 1.11E-15;
double BIG_NUMBER = 1.0e15;
// get function in polish notation
string function = chromosome.ToString( );
//verifica se na expressao gerada possui pelo menos um dado de entrada (x), senao retorna maior numero
if (function.IndexOf("X", 0) >= 0)
{
// go through all the data
double error = 0.0;
for ( int i = 0, n = data.GetLength( 0 ); i < n; i++ )
{
// put next X value to variables list
// variables[0] = data[i, 0];
// avoid evaluation errors
try
{
// evalue the function
double y = PolishGerExpression.Evaluate(function, variables, i);
// check for correct numeric value
if ( double.IsNaN( y ) )
return BIG_NUMBER; //0;
if (!(y < BIG_NUMBER)) // *NOT* (input.x >= BIG_NUMBER)
y = BIG_NUMBER;
else if (y < PROBABLY_ZERO) // slightly off
y = 0.0;
// get the difference between evaluated Y and real Y
// and sum error
error += Math.Abs( y - data[i, 0] );
}
catch
{
return BIG_NUMBER; //0;
}
}
// return optimization function value
//return 100.0 / ( error + 1 );
return error;
}
else
{
return BIG_NUMBER; //0;
}
}示例4: Evaluate
/// <summary>
/// Evaluates chromosome.
/// </summary>
///
/// <param name="chromosome">Chromosome to evaluate.</param>
///
/// <returns>Returns chromosome's fitness value.</returns>
///
/// <remarks>The method calculates fitness value of the specified
/// chromosome.</remarks>
///
public double Evaluate( IChromosome chromosome )
{
// get function in polish notation
string function = chromosome.ToString( );
// go through all the data
double error = 0.0;
for ( int i = 0, n = data.Length - windowSize - predictionSize; i < n; i++ )
{
// put values from current window as variables
for ( int j = 0, b = i + windowSize - 1; j < windowSize; j++ )
{
variables[j] = data[b - j];
}
// avoid evaluation errors
try
{
// evaluate the function
double y = PolishExpression.Evaluate( function, variables );
// check for correct numeric value
if ( double.IsNaN( y ) )
return 0;
// get the difference between evaluated value and
// next value after the window, and sum error
error += Math.Abs( y - data[i + windowSize] );
}
catch
{
return 0;
}
}
// return optimization function value
return 100.0 / ( error + 1 );
}示例5: Translate
/// <summary>
/// Translate genotype to phenotype
/// </summary>
public object Translate( IChromosome chromosome )
{
return chromosome.ToString( );
}示例6: Evaluate
//IChromosome
/// <summary>
/// Evaluates chromosome.
/// </summary>
///
/// <param name="chromosome">Chromosome to evaluate.</param>
///
/// <returns>Returns chromosome's fitness value.</returns>
///
/// <remarks>The method calculates fitness value of the specified
/// chromosome.</remarks>
///
public double Evaluate(IChromosome chromosome)
{
double PROBABLY_ZERO = 1.11E-15;
double BIG_NUMBER = 1.0e15;
// get function in polish notation
string function = chromosome.ToString( );
//verifica se na expressao gerada possui pelo menos um dado de entrada (x), senao retorna 0
if (function.IndexOf("X", 0) >= 0)
{
// go through all the data
double error = 0.0;
double result = 0.0;
for (int i = 0, n = data.GetLength(0); i < n; i++)
{
// put next X value to variables list
//variables[0] = data[i, 1];
// avoid evaluation errors
try
{
// evalue the function
double y = PolishGerExpression.Evaluate(function, variables, i);
// check for correct numeric value
if (double.IsNaN(y))
return BIG_NUMBER; //0; y = BIG_NUMBER; //0;
//(atual - estimado) / atual
result = Math.Abs(data[i, 0] - y) / (data[i, 0]);
if (!(result < BIG_NUMBER)) // *NOT* (input.x >= BIG_NUMBER)
result = BIG_NUMBER;
else if (result < PROBABLY_ZERO) // slightly off
result = 0.0;
error += result;
//System.Console.WriteLine(i + " function: " + function + " erro: " + error);
}
catch
{
return BIG_NUMBER; //0;
}
}
// return function average value
// System.Console.WriteLine(" Media erro: " + error / data.GetLength(0));
return (error / data.GetLength(0));
}
else
{
return BIG_NUMBER; //0;
}
}